Frost Report

All states Washington

Frost dates for Longview, WA

When the last spring frost and first fall frost usually come, and when to plant, from 30 years of NOAA weather records.

Last spring frost

April 8

typical year

Safe to plant

May 2

frost is over in 9 of 10 years

First fall frost

November 5

typical year

Growing season

210 days

frost-free, typical year

When to plant

Counted from this page's frost dates. Warm-season crops wait for the safe-to-plant date.

CropStart indoorsPlant outsideFall planting
Cool-season crops
Peas – Mar 11 – 25 –
Spinach – Feb 25 – Mar 18 Sep 10 – 24
Lettuce – Mar 11 – Apr 1 Sep 10 – 24
Radishes – Mar 11 – Apr 22 Sep 24 – Oct 8
Onions – Mar 11 – 25 –
Potatoes – Mar 18 – Apr 1 –
Carrots – Mar 18 – Apr 8 Aug 13 – 27
Beets – Mar 11 – 25 Aug 27 – Sep 10
Kale Jan 28 – Feb 11 Mar 11 – 25 Aug 27 – Sep 10
Broccoli Jan 28 – Feb 11 Mar 25 – Apr 8 Aug 27 – Sep 10
Cabbage Jan 14 – 28 Mar 11 – 25 Aug 27 – Sep 10
Garlic – – Sep 24 – Oct 15
Warm-season crops
Tomatoes Mar 7 – 21 May 2 – 16 –
Peppers Feb 28 – Mar 14 May 9 – 23 –
Cucumbers – May 2 – 23 –
Zucchini – May 2 – 30 –
Pumpkins – May 2 – 23 –
Green beans – May 2 – Aug 27 –
Sweet corn – May 2 – 30 –
Basil Mar 28 – Apr 11 May 9 – 16 –

Onions: from sets. Green beans: until 10 weeks before the first fall frost. Garlic: harvest next summer.

The year at a glance

Start indoors Plant outside Fall planting

The chance of frost, by date

1 year in 10Half of years9 years in 10
Spring frost after May 2April 8March 11
Fall frost before October 17November 5November 28

Frost here means 32°F or colder. Read across: in 1 year in 10, spring frost carries on past the first date, which is why that date is the safe-to-plant date.

Hard freeze (28°F)

A hard freeze kills most garden plants, even hardy ones. The last one in spring usually comes around March 6 (April 4 in a late year), and the first one in fall around November 24.

Towns that use these dates

This is the nearest NOAA station with frost records for 6 towns.

Longview, Kelso, Kalama, Castle Rock, Rainier, OR, Prescott, OR

Where these dates come from

NOAA weather station LONGVIEW, WA US (USC00454769), 1991–2020 climate normals. It's the nearest station for 6 zip codes, all within 17 miles:

97048, 98609, 98611, 98625, 98626, 98632

Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.